ROCKFORD, Ill. (WIFR) – After a dusting to half inch of snow early this morning we go on to see clearing skies and highs anywhere from the teens to single digits. Feel like numbers will drop below zero. Clear tonight and down to 1 for the overnight low. Sunny tomorrow and up to the low 20’s. Middle 30’s on Thursday and low to middle 40’s on Friday. Extreme cold advances back in tail end of the weekend and beginning of next…